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TLS Online TPP Program

#Question id: 3887

Aptamers are

#Unit 3. Fundamental Processes

  1. double-stranded RNA products of nuclease action on hairpin RNAs

  2. repeat sequence elements at the ends of transposons.

  3. small RNA molecules selected for tight binding to specific molecular targets.

  4. the RNA primers required for retroviral replication.

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TLS Online TPP Program

#Question id: 23471

#General Aptitude

Which of the following is the example of input device?
TLS Online TPP Program

#Question id: 376

#Unit 1. Molecules and their Interaction Relevant to Biology

Phosphoric acid is tribasic, with pKa of 2.14, 6.86 and 12.4. The ionic form that predominates at pH 3.2 is
TLS Online TPP Program

#Question id: 562

#Unit 1. Molecules and their Interaction Relevant to Biology

Phenyl-methane-sulfonyl-fluoride (PMSF) inactivates serine proteases by binding covalently to the catalytic serine residue at the active site; this enzyme-inhibitor bond is not cleaved by the enzyme.  This is an example of what kind of inhibition?
TLS Online TPP Program

#Question id: 8933

#Unit 9. Diversity of Life Forms

At which developmental stage should one be able to first distinguish a diploblastic embryo from a triploblastic embryo?
TLS Online TPP Program

#Question id: 1277

#Unit 4. Cell Communication and Cell Signaling

Cadherin cellular adhesion molecules promote: